little theatre vs British spelling

little theatre and British spelling both are nouns.

Word	Noun	Adjective	Verb	Adverb
little theatre	Yes	No	No	No
British spelling	Yes	No	No	No

little theatre (noun)	British spelling (noun)
a small theater for experimental drama or collegiate or community groups	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')